2 * (C) GraÅžvydas "notaz" Ignotas, 2006-2012
4 * This work is licensed under the terms of any of these licenses
6 * - GNU GPL, version 2 or later.
7 * - GNU LGPL, version 2.1 or later.
9 * See the COPYING file in the top-level directory.
15 #include <sys/types.h>
22 #include "plat_gp2x.h"
25 #define IN_GP2X_PREFIX "gp2x:"
26 #define IN_GP2X_NBUTTONS 32
28 /* note: in_gp2x handles combos (if 2 btns have the same bind,
29 * both must be pressed for action to happen) */
30 static int in_gp2x_combo_keys = 0;
31 static int in_gp2x_combo_acts = 0;
32 static int gpiodev = -1; /* Wiz only */
34 static int (*in_gp2x_get_bits)(void);
36 static const char *in_gp2x_keys[IN_GP2X_NBUTTONS] = {
37 [0 ... IN_GP2X_NBUTTONS-1] = NULL,
38 [GP2X_BTN_UP] = "Up", [GP2X_BTN_LEFT] = "Left",
39 [GP2X_BTN_DOWN] = "Down", [GP2X_BTN_RIGHT] = "Right",
40 [GP2X_BTN_START] = "Start", [GP2X_BTN_SELECT] = "Select",
41 [GP2X_BTN_L] = "L", [GP2X_BTN_R] = "R",
42 [GP2X_BTN_A] = "A", [GP2X_BTN_B] = "B",
43 [GP2X_BTN_X] = "X", [GP2X_BTN_Y] = "Y",
44 [GP2X_BTN_VOL_DOWN] = "VOL DOWN",
45 [GP2X_BTN_VOL_UP] = "VOL UP",
46 [GP2X_BTN_PUSH] = "PUSH"
50 static int in_gp2x_get_mmsp2_bits(void)
53 value = memregs[0x1198>>1] & 0xff; // GPIO M
54 if (value == 0xFD) value = 0xFA;
55 if (value == 0xF7) value = 0xEB;
56 if (value == 0xDF) value = 0xAF;
57 if (value == 0x7F) value = 0xBE;
58 value |= memregs[0x1184>>1] & 0xFF00; // GPIO C
59 value |= memregs[0x1186>>1] << 16; // GPIO D
60 value = ~value & 0x08c0ff55;
65 static int in_gp2x_get_wiz_bits(void)
68 r = read(gpiodev, &value, 4);
78 /* convert to GP2X style */
80 if (value & (1 << 16))
81 value |= 1 << GP2X_BTN_VOL_UP;
82 if (value & (1 << 17))
83 value |= 1 << GP2X_BTN_VOL_DOWN;
84 if (value & (1 << 18))
85 value |= 1 << GP2X_BTN_PUSH;
91 static void in_gp2x_probe(void)
96 in_gp2x_get_bits = in_gp2x_get_mmsp2_bits;
99 gpiodev = open("/dev/GPIO", O_RDONLY);
101 perror("in_gp2x: couldn't open /dev/GPIO");
104 in_gp2x_get_bits = in_gp2x_get_wiz_bits;
106 // we'll use evdev for Caanoo
111 in_register(IN_GP2X_PREFIX "GP2X pad", -1, NULL,
112 IN_GP2X_NBUTTONS, in_gp2x_keys, 1);
115 static void in_gp2x_free(void *drv_data)
123 static const char * const *
124 in_gp2x_get_key_names(int *count)
126 *count = IN_GP2X_NBUTTONS;
130 /* ORs result with pressed buttons */
131 static int in_gp2x_update(void *drv_data, const int *binds, int *result)
136 keys = in_gp2x_get_bits();
138 if (keys & in_gp2x_combo_keys) {
139 result[IN_BINDTYPE_EMU] = in_combos_do(keys, binds, GP2X_BTN_PUSH,
140 in_gp2x_combo_keys, in_gp2x_combo_acts);
141 type_start = IN_BINDTYPE_PLAYER12;
144 for (i = 0; keys; i++, keys >>= 1) {
148 for (t = type_start; t < IN_BINDTYPE_COUNT; t++)
149 result[t] |= binds[IN_BIND_OFFS(i, t)];
155 int in_gp2x_update_keycode(void *data, int *is_down)
157 static int old_val = 0;
160 val = in_gp2x_get_bits();
161 diff = val ^ old_val;
165 /* take one bit only */
166 for (i = 0; i < sizeof(diff)*8; i++)
173 *is_down = !!(val & (1<<i));
177 static const struct {
182 { GP2X_BTN_UP, PBTN_UP },
183 { GP2X_BTN_DOWN, PBTN_DOWN },
184 { GP2X_BTN_LEFT, PBTN_LEFT },
185 { GP2X_BTN_RIGHT, PBTN_RIGHT },
186 { GP2X_BTN_B, PBTN_MOK },
187 { GP2X_BTN_X, PBTN_MBACK },
188 { GP2X_BTN_A, PBTN_MA2 },
189 { GP2X_BTN_Y, PBTN_MA3 },
190 { GP2X_BTN_L, PBTN_L },
191 { GP2X_BTN_R, PBTN_R },
192 { GP2X_BTN_SELECT, PBTN_MENU },
195 #define KEY_PBTN_MAP_SIZE (sizeof(key_pbtn_map) / sizeof(key_pbtn_map[0]))
197 static int in_gp2x_menu_translate(void *drv_data, int keycode, char *charcode)
204 for (i = 0; i < KEY_PBTN_MAP_SIZE; i++)
205 if (key_pbtn_map[i].pbtn == keycode)
206 return key_pbtn_map[i].key;
210 for (i = 0; i < KEY_PBTN_MAP_SIZE; i++)
211 if (key_pbtn_map[i].key == keycode)
212 return key_pbtn_map[i].pbtn;
218 #if 0 // TODO: move to pico
219 static const struct {
223 } in_gp2x_defbinds[] =
226 { BTN_UP, IN_BINDTYPE_PLAYER12, 0 },
227 { BTN_DOWN, IN_BINDTYPE_PLAYER12, 1 },
228 { BTN_LEFT, IN_BINDTYPE_PLAYER12, 2 },
229 { BTN_RIGHT, IN_BINDTYPE_PLAYER12, 3 },
230 { BTN_X, IN_BINDTYPE_PLAYER12, 4 }, /* B */
231 { BTN_B, IN_BINDTYPE_PLAYER12, 5 }, /* C */
232 { BTN_A, IN_BINDTYPE_PLAYER12, 6 }, /* A */
233 { BTN_START, IN_BINDTYPE_PLAYER12, 7 },
234 { BTN_SELECT, IN_BINDTYPE_EMU, PEVB_MENU },
235 // { BTN_Y, IN_BINDTYPE_EMU, PEVB_SWITCH_RND },
236 { BTN_L, IN_BINDTYPE_EMU, PEVB_STATE_SAVE },
237 { BTN_R, IN_BINDTYPE_EMU, PEVB_STATE_LOAD },
238 { BTN_VOL_UP, IN_BINDTYPE_EMU, PEVB_VOL_UP },
239 { BTN_VOL_DOWN, IN_BINDTYPE_EMU, PEVB_VOL_DOWN },
244 /* remove binds of missing keys, count remaining ones */
245 static int in_gp2x_clean_binds(void *drv_data, int *binds, int *def_binds)
248 // int eb, have_vol = 0, have_menu = 0;
250 for (i = 0; i < IN_GP2X_NBUTTONS; i++) {
252 for (t = 0; t < IN_BINDTYPE_COUNT; t++) {
253 offs = IN_BIND_OFFS(i, t);
254 if (in_gp2x_keys[i] == NULL)
255 binds[offs] = def_binds[offs] = 0;
260 eb = binds[IN_BIND_OFFS(i, IN_BINDTYPE_EMU)];
261 if (eb & (PEV_VOL_DOWN|PEV_VOL_UP))
268 // TODO: move to pico
270 /* autobind some important keys, if they are unbound */
271 if (!have_vol && binds[GP2X_BTN_VOL_UP] == 0 && binds[GP2X_BTN_VOL_DOWN] == 0) {
272 binds[IN_BIND_OFFS(GP2X_BTN_VOL_UP, IN_BINDTYPE_EMU)] = PEV_VOL_UP;
273 binds[IN_BIND_OFFS(GP2X_BTN_VOL_DOWN, IN_BINDTYPE_EMU)] = PEV_VOL_DOWN;
278 binds[IN_BIND_OFFS(GP2X_BTN_SELECT, IN_BINDTYPE_EMU)] = PEV_MENU;
283 in_combos_find(binds, GP2X_BTN_PUSH, &in_gp2x_combo_keys, &in_gp2x_combo_acts);
288 static const in_drv_t in_gp2x_drv = {
289 .prefix = IN_GP2X_PREFIX,
290 .probe = in_gp2x_probe,
291 .free = in_gp2x_free,
292 .get_key_names = in_gp2x_get_key_names,
293 .clean_binds = in_gp2x_clean_binds,
294 .update = in_gp2x_update,
295 .update_keycode = in_gp2x_update_keycode,
296 .menu_translate = in_gp2x_menu_translate,
299 void in_gp2x_init(const struct in_default_bind *defbinds)
301 if (gp2x_dev_id == GP2X_DEV_WIZ)
302 in_gp2x_keys[GP2X_BTN_START] = "MENU";
304 in_gp2x_combo_keys = in_gp2x_combo_acts = 0;
306 in_register_driver(&in_gp2x_drv, defbinds);